/* =========================================================
   HÖFER — item.css
   ========================================================= */

/* ---------- Раскладка товара ---------- */
.item-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 60px;
}

/* ============================================================
   ГАЛЕРЕЯ
   ============================================================ */
.item-detail__gallery {
  position: sticky;
  top: 100px;
}

.item-gallery {
  position: relative;
  width: 100%;
}

.item-gallery__main {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--c-gray-50);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* Слайды: показываем только активный */
.item-gallery__slide {
  display: none;
  width: 100%;
  height: 100%;
}

.item-gallery__slide.is-active {
  display: block;
}

/* Обычная картинка */
img.item-gallery__slide {
  object-fit: contain;
  padding: 24px;
  background: var(--c-gray-50);
}

/* 3D-блок как слайд */
div.item-gallery__slide.item-3d {
  position: relative;
  cursor: grab;
  user-select: none;
}

div.item-gallery__slide.item-3d:active {
  cursor: grabbing;
}

.item-3d__frame {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 24px;
  display: block;
  pointer-events: none;
}

.item-3d__icon {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 48px;
  height: 48px;
  pointer-events: none;
  z-index: 2;
}

.item-3d__hint {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,.65);
  color: var(--c-white);
  font-size: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--tr-base);
  white-space: nowrap;
}

.item-3d:hover .item-3d__hint {
  opacity: 1;
}

/* Стрелки галереи */
.item-gallery__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-white);
  color: var(--c-black);
  border: 1px solid var(--c-gray-200);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background var(--tr-fast), color var(--tr-fast),
              border-color var(--tr-fast);
}

.item-gallery__arrow:hover {
  background: var(--c-red);
  border-color: var(--c-red);
  color: var(--c-white);
}

.item-gallery__arrow--prev { left: 12px; }
.item-gallery__arrow--next { right: 12px; }

/* Точки */
.item-gallery__dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 8px;
}

.item-gallery__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(0, 0, 0, .25);
  border: 0;
  cursor: pointer;
  padding: 0;
  transition: background var(--tr-fast), transform var(--tr-fast);
}

.item-gallery__dot:hover {
  background: rgba(0, 0, 0, .5);
}

.item-gallery__dot.is-active {
  background: var(--c-red);
  transform: scale(1.2);
}

/* Нет изображения */
.item-gallery__empty {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: repeating-linear-gradient(
    45deg,
    var(--c-gray-100) 0 10px,
    var(--c-gray-50) 10px 20px
  );
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-gray-400);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================
   ИНФОРМАЦИЯ
   ============================================================ */
.item-detail__info {
  padding-top: 4px;
}

/* Картинка-бейдж «Новинка» */
.item-detail__badge {
  margin-bottom: 12px;
}

.item-detail__badge img {
  display: block;
  height: 32px;
  width: auto;
}

.item-detail__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.item-detail__hf {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--c-text);
}

.item-detail__special {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--c-yellow);
  color: var(--c-black);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  line-height: 1;
}

.item-detail__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.2;
  color: var(--c-text);
  margin: 0 0 24px;
}

.item-detail__row {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--c-gray-100);
  font-size: 15px;
}

.item-detail__label {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--c-text-muted);
  min-width: 70px;
}

.item-detail__value {
  color: var(--c-text);
}

/* Комплектация */
.item-detail__kompl {
  margin: 24px 0 0;
  padding: 16px 20px;
  background: var(--c-gray-50);
  border-left: 4px solid var(--c-red);
  border-radius: var(--radius-sm);
}

.item-detail__kompl-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-text);
  margin: 0 0 10px;
}

.item-detail__kompl-text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-text);
}

/* Характеристики */
.item-detail__har {
  margin: 24px 0 0;
  padding: 20px 22px;
  background: var(--c-gray-50);
  border-left: 4px solid var(--c-red);
  border-radius: var(--radius-sm);
}

.item-detail__subtitle {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-text);
  margin: 0 0 12px;
}

.item-detail__har-content {
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-text);
}

.item-detail__har-content p {
  margin-bottom: 0.8em;
}

.item-detail__har-content p:last-child {
  margin-bottom: 0;
}

.item-detail__har-content ul {
  list-style: none;
  margin: 0.5em 0;
  padding: 0;
}

.item-detail__har-content ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
}

.item-detail__har-content ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 2px;
  background: var(--c-red);
}

/* ============================================================
   ПРИМЕНЯЕМОСТЬ
   ============================================================ */
.item-apps {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--c-gray-200);
}

.item-apps__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--c-text);
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 4px solid var(--c-red);
}

.apps-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-sm);
}

.apps-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.apps-table th {
  background: var(--c-gray-50);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--c-gray-200);
}

.apps-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--c-gray-100);
  color: var(--c-text);
}

.apps-table tr:last-child td {
  border-bottom: 0;
}

.apps-table tr:hover td {
  background: var(--c-gray-50);
}

/* ============================================================
   БЛОК ad
   ============================================================ */
.item-ad {
  margin-top: 32px;
}

/* ============================================================
   КНОПКА ВОЗВРАТА
   ============================================================ */
.item-back {
  margin: 40px 0;
  padding-top: 24px;
  border-top: 1px solid var(--c-gray-200);
}

/* ============================================================
   ЛАЙТБОКС
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, .9);
  padding: 40px 80px;
  opacity: 0;
  transition: opacity var(--tr-base);
}

.lightbox.is-open {
  display: flex;
  opacity: 1;
}

.lightbox__img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  user-select: none;
  pointer-events: none;
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 2;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .25);
  color: var(--c-white);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--tr-fast), border-color var(--tr-fast);
}

.lightbox__close:hover {
  background: var(--c-red);
  border-color: var(--c-red);
}

.lightbox__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .25);
  color: var(--c-white);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--tr-fast), border-color var(--tr-fast);
}

.lightbox__arrow:hover {
  background: var(--c-red);
  border-color: var(--c-red);
}

.lightbox__arrow--prev { left: 20px; }
.lightbox__arrow--next { right: 20px; }

body.lightbox-open {
  overflow: hidden;
}

/* ============================================================
   АДАПТИВ
   ============================================================ */
@media (max-width: 1024px) {
  .item-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .item-detail__gallery {
    position: static;
  }
}

@media (max-width: 768px) {
  .item-detail {
    gap: 24px;
  }
  .item-detail__title {
    font-size: 20px;
  }
  .item-detail__hf {
    font-size: 13px;
  }
  .apps-table th,
  .apps-table td {
    padding: 10px 12px;
    font-size: 13px;
  }
  .item-apps {
    margin-top: 32px;
    padding-top: 24px;
  }
  .item-apps__title {
    font-size: 17px;
  }
  .lightbox {
    padding: 20px 12px;
  }
  .lightbox__arrow {
    width: 44px;
    height: 44px;
  }
  .lightbox__arrow--prev { left: 8px; }
  .lightbox__arrow--next { right: 8px; }
  .lightbox__close {
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
  }
  .item-gallery__arrow {
    width: 40px;
    height: 40px;
  }
  .item-gallery__arrow--prev { left: 8px; }
  .item-gallery__arrow--next { right: 8px; }
}

@media (max-width: 480px) {
  img.item-gallery__slide {
    padding: 16px;
  }
  .item-3d__frame {
    padding: 16px;
  }
  .item-3d__icon {
    width: 36px;
    height: 36px;
    top: 10px;
    right: 10px;
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .item-3d__hint,
  .item-gallery__dot,
  .item-gallery__arrow,
  .lightbox {
    transition: none;
  }
}